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Mechanisms of signal transduction by leukocyte surface receptors and transmembrane adaptor proteins
Dráber, Peter ; Brdička, Tomáš (advisor) ; Brábek, Jan (referee) ; Konvalinka, Jan (referee)
Mechanisms of signal transduction by leukocyte surface receptors and transmembrane adaptor proteins Mgr. Peter Dráber Abstract The central role in the initiation and maintenance of the adaptive immune response is played by interaction of T cells with antigen presenting cells. Upon recognition of peptide- loaded MHC glycoproteins on the surface of antigen presenting cells by specific T cell, immunological synapse is formed and signaling events are initiated in both cells involved. The signal propagation is regulated by various molecules that can have positive or negative function, or even both, depending on specific circumstances. In this work we focused our attention on three topics all encompassing processes of signal propagation or regulation. First, we extended our understanding of the signaling processes taking place in the immunological synapse by the discovery of a new transmembrane adaptor protein SCIMP expressed on antigen presenting cells. Detailed study of this protein demonstrated that it is a positive regulator of MHCII signaling. Next two projects were focused on T cells. We described the role of another transmembrane adaptor protein termed PRR7 in the regulation of apoptosis and T cell receptor (TCR) mediated signaling in T cells. Finally, we provided evidence that in human T cells CD148...

National Repository of Grey Literature : 12 records found   previous11 - 12  jump to record:
See also: similar author names
2 Dráber, Pavel
2 Dráber, Petr
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